28636463682 has 64 divisors (see below), whose sum is σ = 64253952000. Its totient is φ = 9453160080.

The previous prime is 28636463633. The next prime is 28636463689.

28636463682 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28636463689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4104457 + ... + 4111427.

It is an arithmetic number, because the mean of its divisors is an integer number (1003968000).

Almost surely, 2^28636463682 is an apocalyptic number.

28636463682 is an abundant number, since it is smaller than the sum of its proper divisors (35617488318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28636463682 is a wasteful number, since it uses less digits than its factorization.

28636463682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708 (or 7702 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The spelling of 28636463682 in words is "twenty-eight billion, six hundred thirty-six million, four hundred sixty-three thousand, six hundred eighty-two".